CVE-2025-38437
HIGH severity · CVSS 8.8 · Use-after-free
8.8CVSS HIGH
Summary
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potential use-after-free in oplock/lease break ack If ksmbd_iov_pin_rsp return error, use-after-free can happen by accessing opinfo->state and opinfo_put and ksmbd_fd_put could called twice.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/50f930db22365738d9387c974416f38a06e8057e ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/50f930db22365738d9387c974416f38a06e8057ePatch
- https://git.kernel.org/stable/c/8106adc21a2270c16abf69cd74ccd7c79c6e7acdPatch
- https://git.kernel.org/stable/c/815f1161d6dbc4c54ccf94b7d3fdeab34b4d7477Patch
- https://git.kernel.org/stable/c/97c355989928a5f60b228ef5266c1be67a46cdf9Patch
- https://git.kernel.org/stable/c/e38ec88a2b42c494601b1213816d75f0b54d9bf0Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlAdvisory